Merge branch 'jellyfin:master' into master

1 files changed, 66 insertions, 0 deletions

diff --git a/Emby.Server.Implementations/Images/PlaylistImageProvider.cs b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
new file mode 100644
index 0000000000..b8f0f0d65c
--- /dev/null
+++ b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
@@ -0,0 +1,66 @@
+#nullable disable
+
+#pragma warning disable CS1591
+
+using System.Collections.Generic;
+using System.Linq;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Drawing;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Playlists;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+
+namespace Emby.Server.Implementations.Images
+{
+    public class PlaylistImageProvider : BaseDynamicImageProvider<Playlist>
+    {
+        public PlaylistImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths, IImageProcessor imageProcessor) : base(fileSystem, providerManager, applicationPaths, imageProcessor)
+        {
+        }
+
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
+        {
+            var playlist = (Playlist)item;
+
+            return playlist.GetManageableItems()
+                .Select(i =>
+                {
+                    var subItem = i.Item2;
+
+                    if (subItem is Episode episode)
+                    {
+                        var series = episode.Series;
+                        if (series != null && series.HasImage(ImageType.Primary))
+                        {
+                            return series;
+                        }
+                    }
+
+                    if (subItem.HasImage(ImageType.Primary))
+                    {
+                        return subItem;
+                    }
+
+                    var parent = subItem.GetOwner() ?? subItem.GetParent();
+
+                    if (parent != null && parent.HasImage(ImageType.Primary))
+                    {
+                        if (parent is MusicAlbum)
+                        {
+                            return parent;
+                        }
+                    }
+
+                    return null;
+                })
+                .Where(i => i != null)
+                .GroupBy(x => x.Id)
+                .Select(x => x.First())
+                .ToList();
+        }
+    }
+}